Catching A General Exception
Sep 11, 2007
I am trying to write a query that I only want to run on sql server 2005 databases. If a server isn't 2005, it will throw an exception. I would like to catch this general exception. Here is the query...
DECLARE @Server [nchar] (100)
SET @Server = (CONVERT(char(100), (SELECT SERVERPROPERTY('Servername'))))
INSERT INTO [tempdb].[dbo].[User_Auditing] (Server, UserName, WinAuth, SQL_Auth_UserName, PassPolicyOn)
SELECT @Server, s.name, isntuser, q.name, is_policy_checked
FROM sys.syslogins s FULL OUTER JOIN sys.sql_logins q
ON (s.name = q.name)
The errors I would get are as follows...
Msg 208, Level 16, State 1, Line 4
Invalid object name 'sys.syslogins'.
Msg 208, Level 16, State 1, Line 4
Invalid object name 'sys.sql_logins'.
I know in Java, I would just put a try before the declare and a catch("Invalid object name") after the statement, however, I'm not sure if this is even possible in T-SQL. Thanks for any help.
-Kyle
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Aug 30, 2006
Hi!
I am quite new using SSIS and I have a problem with catching an (SOAP) exception from a Web service task. Some times my web service task can fail and when the web service is failing, it is throwing an exception. When the task succeeds the result is being put into a variable, That part is not a problem.
But catching an exception is. I have tried to use a script task and tried to get exception from the dts object model. I have not yet succeeded on that. But it might be a possible way to go. A different approach might be creating an OnError event on my web service task which I can create a task when triggered. But I have not found any solution yet and I hope some people out there have done this before or have a solution on this.
Regards
Geir F
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Dec 7, 2005
Hi,
I am new to SQL Server and hence asking this.....
I have a requirement to catch any problem within my code and log it into a table with structure:
CREATE TABLE ERROR_LOG
(MSG varchar(1000),
ERROR_CODE varchar(1000)
)
As an example:
declare @test int
begin
--deliberately assigning a char into an int variable
set @test='ABC'
end
This, as expected throws an error like:
Msg 245, Level 16, State 1, Line 2
Conversion failed when converting the varchar value 'ABC' to data type int.
I want to catch the first line to ERROR_CODE field and the second line to MSG field in ERROR_LOG table
I also need to do it such that this proc seems SUCCEDED with logging into error log
How can I do this in SQL Server?
Please suggest.......
[From Oracle background, actually I am speaking about EXCEPTION Block in Pl/SQL]
Best Regards,
Ayan
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Jan 16, 2008
Greetings everyone, I am attempting to build my first application using Microsofts Sql databases. It is a Windows Mobile application so I am using Sql Server Compact 3.5 with Visual Studio 2008 Beta 2. When I try and insert a new row into one of my tables, the app throws the error message shown in the title of this topic.
'((System.Exception)($exception)).Message' threw an exception of type 'System.NotSupportedException'
My table has 4 columns (i have since changed my FavoriteAccount datatype from bit to Integer)
http://i85.photobucket.com/albums/k71/Scionwest/table.jpg
Account type will either be "Checking" or "Savings" when a new row is added, the user will select what they want from a combo box.
Next is a snap shot of my startup form.
http://i85.photobucket.com/albums/k71/Scionwest/form.jpg
Where it says "Favorite Account: None" in the top panel, I am using a link label. When a user clicks "None" it will go to a account creation wizard, and set the first account as it's primary/favorite. As more accounts are added the user can select which will be his/her primary/favorite. For now I am just creating a sample account when the label is clicked in an attempt to get something working. Below is the code used.
private void lnkFavoriteAccount_Click(object sender, EventArgs e)
{
FinancesDataSet.BankAccountRow account = this.financesDataSet.BankAccount.NewBankAccountRow();
account.Name = "MyBank Checking Account";
account.AccountType = "Checking";
account.Balance = Convert.ToDecimal("15.03");
account.FavoriteAccount = 1;//datatype is an integer, I have changed it since I took the screenshot.
financesDataSet.BankAccount.Rows.Add(account);
//The next three lines where added while I was trying to get this to work.
//I don't know if I really need them or not, I receive the error regardless if these are here or not.
this.bankAccountTableAdapter1.Update(financesDataSet);
this.financesDataSet.AcceptChanges();
refreshDatabase();
}
the refreshDatabase() code is here:
private void refreshDatabase()
{
this.bankAccountTableAdapter1.Fill(this.financesDataSet.BankAccount);
//Aquire a count of accounts the user has
int numAccounts = financesDataSet.BankAccount.Count;
//Loop through each account and see which one is the primary.
for (int num = 0; num != numAccounts; num++)
{
//Works ok in frmMain_Load, but when my lnkFavoriteAccount_click calls this, it throws the error.
if (this.financesDataSet.BankAccount[num].FavoriteAccount == 1)
{
//Display the primary account on our home page. User can click the link label & be taken to their account register.
this.lnkFavoriteAccount.Text = this.financesDataSet.BankAccount[num].Name.ToString();
this.lnkFavoriteFunds.Text = this.financesDataSet.BankAccount[num].Balance.ToString();
break;
}
}
}
and my form_load code
private void frmMain_Load(object sender, EventArgs e)
{
refreshDatabase();
}
So, when I click on the lnkFavoriteAccount label, and my new row gets added, the app stops at the following line in my DataSet.Designer
[global:ystem.Diagnostics.DebuggerNonUserCodeAttribute()]
public byte FavoriteAccount {
get {
try {
return ((byte)(this[this.tableBankAccount.FavoriteAccountColumn]));
}
catch (global:ystem.InvalidCastException e) {
//Stops at the following line, this error was caused by 'if (this.financesDataSet.BankAccount[num].FavoriteAccount == 1)'
throw new global:ystem.Data.StrongTypingException("The value for column 'FavoriteAccount' in table 'BankAccount' is DBNull.", e);
}
}
set {
this[this.tableBankAccount.FavoriteAccountColumn] = value;
}
}
I have no idea what I am doing wrong, all of the code I used I retreived from Microsofts help documentation included with VS2008. I have tried used my TableAdapter.Insert() method and it still failed when it got to
if (this.financesDataSet.BankAccount[num].FavoriteAccount == 1)
in my refreshDatabase() method it still failed.
When I look, the data has been added into the database, it's just when I try to retreive it now, it bails on me. Am I retreiving the information wrong?
Thanks for any help you guys can offer.
Johnathon
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Jan 31, 2007
Hi,
I got an strange problem with one of my packages.
When running the package in VisualStudio it runs properly, but if I let this package run as part of an SQL-Server Agent job, I got the message "The script threw an exception: Exception of type 'System.OutOfMemoryException' was thrown." on my log and the package ends up with an error.
Both times it is exactly the same package on the same server, so I don't know how the debug or even if there is anything I need to debug?
Regards,
Jan
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Aug 30, 2007
Hi,
I'm trying to catch an error and trigger a control flow to handle it. I introduce a control flow to catch "OnError" event, but , despite muy package has some errors it doesnt work...
Another issue, if i omit an error on a transformation object ( in order let the flow continue executing), can this error be managed by an event or record it in a log?
Thanks
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Mar 7, 2007
I'm new to using SQL Data Source, so bare with me on the newbie question.
Is there a way to do a Try...Catch type scenario on the SDS? I have a grid and a SDS that is mapped together but previously I use to use a Try...Catch and show any errors. What can I do to display a message if there is an error with the SDS?
Try 'Call to DBCatch label1.txt = "Error: " & ex.Message.ToStringEnd Try
And is the best way to determine if there are any records to display is to use the SDS_Selected event?Dim Rec as Integer = e.AffectedRowsIf Rec = 0 Then label1.text = "No Records Found."End If
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Feb 4, 2004
I have calling a stored procedure that returns two values, and I want to catch these values and to store them into a variable.
Here is a piece of my SP inside SQL Server that shows the returned values:
…
SELECT @Id = SCOPE_IDENTITY()
SELECT @Id AS user_id
SELECT 1 AS Value
END
GO
In my aspx page I am trying to call the first value like this:
Dim nID
CmdInsert.Parameters.Add(New SqlParameter("@RETURN_VALUE", SqlDbType.bigint, 8, "user_id"))
CmdInsert.Parameters("@RETURN_VALUE").Direction = ParameterDirection.ReturnValue
CmdInsert.Parameters("@RETURN_VALUE").Value = nID
And to check if the right value is returned I use:
strConnection.open()
cmdInsert.ExecuteNonQuery
'Set the value of a textbox
ident.text = nID
strConnection.close()
But now no value appears in the textbox, How can I achieve it? What is wrong?
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Jun 26, 2007
I have a package that is failing parsing a CSV file. I want to write the failing line to an error file and continue processing. I've added error output to the flat file source, that didn't work. I've added an onerror event handler to the data flow task, that didn't work. I've added an event handler to the package, that didn't work. How can i output the offending line but not have the process fail?
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Aug 25, 2006
Hi,I have a connection string in my web.config - to which I then refer to in my code through all my controls, they're all databound to it.Anyway - how do I catch any errors - such as when I want to view the website on a train, if I'm working on it.I don't want it to crash and burn [the site, not the train] - if I dont have access to the sql server.How can I wrap it in a try block!?- How do i then deal with controls which refer to the connection string?One solution I thought of - is to programmatically set all the databinding - and not just with the GUI. As that way I can wrap everything in a try{}catch{} block.Any other - site-wide way of doing this?Thank you,R
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Sep 6, 2006
Hi AllHere is my SPALTER PROCEDURE dbo.InsertPagerDays @ReportEndDate datetime, @PagerDays int,@UserID varchar(25)ASIF EXISTS(-- you cannot add a pager days more than once per report dateSELECT ReportEndDate, UserId from ReportPagerDays where ReportEndDate = @ReportEndDate and UserId = @UserID)Return 1 elseSET NOCOUNT OFF;INSERT INTO [ReportPagerDays] ([ReportEndDate], [PagerDays], [UserID]) VALUES (@ReportEndDate, @PagerDays, @UserID)RETURNMy Question is, this SP will not let you enter in a value more than once (which is what i want) but how do I write my code to inform the user? Here is my VB code becuase the SP does not error out (becuase it works it acts as if the record updates)How can I catch the Return 1'set parameters for SPDim cmdcommand = New SqlCommand("InsertPagerDays", conn)cmdcommand.commandtype = CommandType.StoredProcedurecmdcommand.parameters.add("@ReportEndDate", rpEndDate)cmdcommand.parameters.add("@PagerDays", PagerDays)cmdcommand.parameters.add("@UserId", strUserName)Try'open connection hereconn.Open()'Execute stored proccmdcommand.ExecuteNonQuery()Catch ex As Exceptionerrstr = ""'An exception occured during processing.'Print message to log file.errstr = "Exception: " & ex.Messagelblstatus.ForeColor = Drawing.Color.Redlblstatus.Text = "Exception: " & ex.Message'MsgBox(errstr, MsgBoxStyle.Information, "Set User Report Dates")FinallyIf errstr = "" Thenlblstatus.ForeColor = Drawing.Color.Whitelblstatus.Text = "Pager Days Successfully Added!"End If'close the connection immediatelyconn.Close()End Try
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Feb 14, 2008
Got a weekly problem when our ISeries DB goes down for maintenence i get ODBC connection errors when the SqlDataSource tries to connect. Is there a method I can use to catch the exception? If so, what event from SqlDataSource can i use, and what approach should I take?Thanks in advance!
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May 28, 2008
Is there a reason why the following code does not raise an error in my .NET 2005 application? Basically I have a try..catch in my stored procedure. Then I have a try...catch in my .NET application that I want to display the error message.
But, when the stored proc raisses the error, the .net code doesn't raise it's error. The .NET code DOES raise an error if I remove the try..catch from the SQL proc and let it error (no error handling), but not if I catch the error and then use RAISERROR to bubble-up the error to .NET app. (I really need to catch the error in my SQL proc and rollback the transaction before I raise the error up to my .NET app...)
SQL
BEGIN TRYBEGIN TRANSACTION trnName
DO MY STUFF.... <---- Error raisedCOMMIT TRANSACTION trnName
END TRY
BEGIN CATCHROLLBACK TRANSACTION trnName
RAISERROR('There was an error',10,1)
END CATCH
ASP.NET CODE (No error raised)
Try
daAdapter.SelectCommand.ExecuteNonQuery()Catch ex As SqlException
Err.Raise(50001, "ProcName", "Error:" + ex.Message)
End Try
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Aug 7, 2007
Hi,
I'm trying to use an execute SQL task with a simple select to get results and scan them.
I have to create a variable for each column to get results? or may i create something like a resultset variable?
Does this task return only one row and i have to loop manually? (maybe on al script task..) or can i get all returned data on a result set to be the input for next step?
Thanks!
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Apr 15, 2007
Hello, everyone. I am having problems catching a data duplication issue. I hope I can get an answer in this forum. If not, I would appreciate it if someone can direct me to the right forum.
I am working on a vs2005 app which is connected to a sql2005 db. Precisely, I am working on a registration form. Users go to the registration page, enter the data, ie. name, address, email, etc. and submit to register to the site.
The INSERT query works like a charm. The only problem is that I am trying to reject registrations for which an email address was used. I put a constraint on the email field in the table and now if I try to register using an e-mail address that already exists in the database I get a violation error (only visible on the local machine) on the sql's email field, which is expected.
How can I catch that there is already an email address in the database and stop the execution of the code and possibly show a message to the user to use a different address?
Thank you for all your help.
Antonio
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Aug 9, 2007
I've read a few different articticles wrt how the handle this error gracefully. I am thinking of wrapping my sql insert statement in a try catch and have the catch be something likeIF ( e.ToString() LIKE '% System.Data.SqlClient.SqlException:
Violation of PRIMARY KEY constraint 'PK_PS_HR_Hrs'. Cannot insert duplicate key
in object %'){lable1.text = "Sorry, you already have reported hours for that day, please select anothe rdate" } Is there a better way?TIA Dan
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Dec 20, 2005
Dear All,
I have a stored procedure which bulk inserts records into a table based on a passed in variable that contains comma separated values of record Ids.
However I have a constraint on the table ensuring that value-pairs in 2 columns must be unique (as a person can not be twice on the same project)
Since I insert the passed in person Ids in a loop, I’d like to catch if this constraint has been violated and skip that specific cycle if it has but do commit the rest.
Not sure if this can be done, and if yes could someone let me know the SQL syntax and structure please?
Am I explaining this clearly?
Thanks in advance all comments are much appreciated!
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Aug 28, 2006
Hi,
In my SSIS package, I have a backup database task. When I run the package with DestinationAutoFolderPath set to a folder ("Network Service" account has full permission on this folder) and DestinationCreationType set to Auto, the task works just fine creating a backup with its own name. (similar to database_date<count>).
But what I want is in my front-end I am allowing the user to specify the name of the backup file. So I want the task to create the backup file in the name I supply. I set the DestinationCreationType to manual and in the application code added the DestinationManualList with the path from the UI.
Now the pacakge runs fine but does not take any backup. There is no errors as well. If I set the FailPackageOnFailure and FailParentOnFailure to true, then I am getting the DTSExecResult.Failure but I am not getting the actual error from the backup database task.
Am I missing anything here?
Thanks in advance,
Srikanth.
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May 5, 2015
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Jul 12, 2006
Hi,
I'm building a custom task and just wondering what is the correct way of passing errors back to SSIS. Is there a rcommended approach to doing this. Currently I just wrap everything in a TRY...CATCH and use componentEvents to fire it back! Here's my code:
public override DTSExecResult Execute(Connections connections, VariableDispenser variableDispenser,IDTSComponentEvents componentEvents, IDTSLogging log, object transaction)
{
bool failed = false;
try
{
/*
* do stuff in here
*/
}
catch (Exception e)
{
componentEvents.FireError(-1, "", e.Message, "", 0);
failed = true;
}
if (failed)
{
return DTSExecResult.Failure;
}
else
{
return DTSExecResult.Success;
}
}
Any comments?
-Jamie
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Inside some TSQL programmable object (a SP/or a query in Management Studio)I have a parameter containing the name of a StoreProcedure+The required Argument for these SP. (for example it's between the brackets [])
EX1 :Â @SPToCall : [sp_ChooseTypeOfResult 'Water type']
EX2 :Â @SPToCall : [sp_ChooseTypeOfXMLResult 'TABLE type', 'NODE XML']
EX3 :Â @SPToCall : [sp_GetSomeResult]
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DECLARE @myFinalVarFilledWithCachedOutputÂ
NVARCHAR(MAX);
DECLARE @SPToCall NVARCHAR(MAX) = N'sp_ChooseTypeOfXMLResult
''TABLE type'', ''NODE XML'';'
DECLARE @paramsDefintion = N'@CatchedOutput NVARCHAR(MAX) OUTPUT'
[code]...
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AS-- Variable DeclerationDECLARE @SessionID varchar(1000)DECLARE @EachSessionID numeric
--Cursor to find all Children that the teacher has assessed for the given timeDECLARE ChildID_cursor CURSORFORSELECT DISTINCT childID FROM capsessionWHERE userid = @UserIDAND sessiondate BETWEEN @StartDate AND @EndDate-- looping through all Children to find there most recent assessment.OPEN ChildID_cursorDECLARE @ChildID numeric FETCH NEXT FROM ChildID_cursor INTO @ChildIDWHILE (@@FETCH_STATUS <> -1)BEGIN IF (@@FETCH_STATUS <> -2) BEGIN DECLARE SessionID_cursor CURSOR FOR SELECT TOP 1 CAPSessionID FROM CapSession WHERE (ChildID = @ChildID) AND (SessionDate BETWEEN @StartDate AND @EndDate) ORDER BY SessionDate DESC END FETCH NEXT FROM ChildID_cursor INTO @ChildIDENDCLOSE ChildID_cursor
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Jan 12, 2003
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Sep 26, 2004
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Howdy!
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Mar 16, 2006
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I can post the Q's here.
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May 3, 2004
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Oct 5, 2007
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Maximum Number of rows allowed in sql server 2005 tables ?
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Aug 3, 2005
Before I go into specifics, this is my problem. I've have a tablethat gets updated with large amounts of data on a monthly basis.Sometimes (rarely) identical rows of data are on one months import thatalready exist from the previous month. I can identify these rows from acombination of two fields (sampleID and testname).My question is this. Would it be an appropriate 'fix' if I created anew 'formula' field on the table comprising of a concatentation ofthese two fields and then made that an index field (no duplicates)? Myguess would be that if we then tried to import a record with a sampleIDand testname that already existed, then the import for that recordwould simply fail.Would this work? Is there a better way? My background is more withAccess so apologies if I'm not using the right terminology.Simon Harris
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